CVE-2026-64115

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-12.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-19 15:40Z1 MO AGO

Last updated

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-416Use After FreeVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

fb09ea5edfcb704193fd43574e21c735fb7e4e351fb8de84a87db590301ce219

• git.kernel.orghttps://git.kernel.org/stable/c/1e19f08552b90070ed18bafb1763c78297823af6
• git.kernel.orghttps://git.kernel.org/stable/c/1dd531e28f61edd286edc486ab068f135b5ae1eb
• git.kernel.orghttps://git.kernel.org/stable/c/ecda37f8faab3220da199335e42564cb7a9ad145
• git.kernel.orghttps://git.kernel.org/stable/c/cc27e989a5dfdfcfc1cca7c3be27a0c7532b46cb
• git.kernel.orghttps://git.kernel.org/stable/c/47e63077605c6c2aa45b3df9847a8cdc1f1f6ef9
• git.kernel.orghttps://git.kernel.org/stable/c/440447699c681e26ed58e9c309cad718270a18b4
• git.kernel.orghttps://git.kernel.org/stable/c/9fe74e42914c851d68069713b7b917a9c33faf26
• git.kernel.orghttps://git.kernel.org/stable/c/99e22ddf4edb63dc8382bc028af928056d3450cf